Complete SDARS Receiver
AC ELECTRICAL CHARACTERISTICS
(MAX2140 EV kit, current drawn at VOUTANT, I VOUTANT = 150mA max, V CC = 3.1V to 3.6V, VINANT = 3.1V to 5.3V, f RF = 2320MHz
to 2345MHz, f LO = 2076MHz, T A = -40°C to +85°C. Typical values are at V CC = VINANT = 3.3V, f RF = 2338MHz, T A = +25°C, unless
otherwise noted.) (Note 2)
Interstage (IF) 259MHz SAW filter specification: insertion loss = 19dB max, 9.3MHz to 12MHz from center attenuation = 24dB min,
beyond 12MHz from center attenuation = 40dB min.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL RECEIVER
Minimum Input RF Power to
Produce 20mV P-P (Differential) at
I and Q Baseband Outputs
P MIN
IF AGC is set at maximum gain,
bit HPF = 0 (Note 4)
-91
-84
dBm
Maximum Input RF Power to
RF AGC threshold: RF_AGC_TRIP =
Produce 400mV P-P (Differential)
P MAX
-17dBm; IF AGC is set at minimum gain, bit
+3
dBm
at I and Q Baseband Outputs
HPF = 0
LO to RF Input Leakage
Noise Figure (Notes 3, 5)
P LK_H
P LK_L
NF
LO-related spurious > 2GHz
LO-related spurious < 2GHz
RF AGC is at maximum gain,
IF AGC is at reference gain
RF AGC is at maximum gain,
IF AGC is at reference gain -10dB
RF AGC is at maximum gain -5dB,
IF AGC is at reference gain
RF AGC is at maximum gain -10dB,
IF AGC is at reference gain
-66
-38
8.5
9.3
13.3
17.8
10.4
11.7
15.5
21.5
dBm
dB
RF AGC is at maximum gain,
IF AGC is at reference gain
RF AGC is at maximum gain,
IF AGC is at reference gain -5dB
-32
-27
In-Band Input IP3 (Notes 5, 6)
I_IIP3
RF AGC is at maximum gain -30dB,
IF AGC is at reference gain -43dB
RF AGC is at maximum gain -20dB,
IF AGC is at reference gain -53dB
RF AGC is at maximum gain,
IF AGC is at reference gain
+9
+6
-9
dBm
Out-of-Band Input IP3
(Notes 5, 7)
O_IIP3
RF AGC is at maximum gain -7dB,
IF AGC is at reference gain
-3
dBm
RF AGC is at maximum gain -25dB,
IF AGC is at reference gain
+12
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3
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